[llvm-branch-commits] [llvm] release/19.x: [Matrix] Skip already fused instructions before trying to fuse multiply. (PR #118020)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/118020 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [Vectorizer] fix GEPs incorrectly marked as "inbounds" (PR #120730)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/120730 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [Vectorizer] fix GEPs incorrectly marked as "inbounds" (PR #120730)

https://github.com/fhahn commented: To clarify, this is only an issue, if we are folding the tail, as then we may compute an address that we don't in the original scalar loop, so may not be inbounds? If we don't fold the tail, it should be fine to keep the `inbounds` flag? https://github.com/

[llvm-branch-commits] [llvm] [Vectorizer] fix GEPs incorrectly marked as "inbounds" (PR #120730)

@@ -1986,10 +1986,10 @@ void VPReverseVectorPointerRecipe::execute(VPTransformState &State) { // LastLane = 1 - RunTimeVF Value *LastLane = Builder.CreateSub(ConstantInt::get(IndexTy, 1), RunTimeVF); Value *Ptr = State.get(getOperand(0), VPLane(0)); - Value *ResultPtr =

[llvm-branch-commits] [llvm] [Vectorizer] fix GEPs incorrectly marked as "inbounds" (PR #120730)

@@ -1986,10 +1986,12 @@ void VPReverseVectorPointerRecipe::execute(VPTransformState &State) { // LastLane = 1 - RunTimeVF Value *LastLane = Builder.CreateSub(ConstantInt::get(IndexTy, 1), RunTimeVF); Value *Ptr = State.get(getOperand(0), VPLane(0)); - Value *ResultPtr =

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] Fix struct access with different bases (PR #108385)

fhahn wrote: Sorry I didn't mean to close this PR, looks like it happened automatically once I deleted the `users/fhahn/tysan-a-type-sanitizer-runtime-library` branch :( https://github.com/llvm/llvm-project/pull/108385 ___ llvm-branch-commits mailing

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] Improved compatability for tests (PR #96507)

fhahn wrote: Sorry I didn't mean to close this PR, looks like it happened automatically once I deleted the `users/fhahn/tysan-a-type-sanitizer-runtime-library` branch :( https://github.com/llvm/llvm-project/pull/96507 ___ llvm-branch-commits mailing

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] Fixed false positive when accessing offset member variables (PR #95387)

fhahn wrote: Sorry I didn't mean to close this PR, looks like it happened automatically once I deleted the `users/fhahn/tysan-a-type-sanitizer-runtime-library` branch :( https://github.com/llvm/llvm-project/pull/95387 ___ llvm-branch-commits mailing

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] Fix struct access with different bases (PR #108385)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/108385 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] Improved compatability for tests (PR #96507)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/96507 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] Fixed false positive when accessing offset member variables (PR #95387)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/95387 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,161 @@ +# -*- Python -*- + +import os +import platform +import re + +import lit.formats + +# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if +# it's not available. +try: +import shlex + +sh_quote = shlex.quote +except: +import pi

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,161 @@ +# -*- Python -*- + +import os +import platform +import re + +import lit.formats + +# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if +# it's not available. +try: +import shlex + +sh_quote = shlex.quote +except: +import pi

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,347 @@ +//===-- tysan.cpp -===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Ap

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,161 @@ +# -*- Python -*- + +import os +import platform +import re + +import lit.formats + +# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if +# it's not available. +try: +import shlex + +sh_quote = shlex.quote +except: +import pi

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,161 @@ +# -*- Python -*- + +import os +import platform +import re + +import lit.formats + +# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if +# it's not available. +try: +import shlex + +sh_quote = shlex.quote +except: +import pi

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,161 @@ +# -*- Python -*- + +import os +import platform +import re + +import lit.formats + +# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if +# it's not available. +try: +import shlex + +sh_quote = shlex.quote +except: +import pi

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,161 @@ +# -*- Python -*- + +import os +import platform +import re + +import lit.formats + +# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if +# it's not available. +try: +import shlex fhahn wrote: Removed the conditiona

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,161 @@ +# -*- Python -*- + +import os +import platform +import re + +import lit.formats + +# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if +# it's not available. +try: +import shlex + +sh_quote = shlex.quote +except: --

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 524eb555b0473bd93401297c5deba77f4dbd83fe Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Fri, 22 Nov 2024 15:01:41 + Subject: [PATCH 1/8] [TySan] A Type Sanitizer (Runtime Library) --- clang/runtime/CM

[llvm-branch-commits] [llvm] release/19.x: [Matrix] Skip already fused instructions before trying to fuse multiply. (PR #118020)

fhahn wrote: @anemet or @francisvm , but at this point it may not be worth trying to pick this https://github.com/llvm/llvm-project/pull/118020 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mail

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,344 @@ +//===-- tysan.cpp -===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Ap

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,344 @@ +//===-- tysan.cpp -===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Ap

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,344 @@ +//===-- tysan.cpp -===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Ap

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 524eb555b0473bd93401297c5deba77f4dbd83fe Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Fri, 22 Nov 2024 15:01:41 + Subject: [PATCH 1/7] [TySan] A Type Sanitizer (Runtime Library) --- clang/runtime/CM

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

fhahn wrote: ping :) https://github.com/llvm/llvm-project/pull/76261 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

fhahn wrote: Test failures on linux should be fixed now, they were due to debug paths using full paths on Linux and in one case a C++ struct type wasnt' de-mangled on Linux https://github.com/llvm/llvm-project/pull/76261 ___ llvm-branch-commits mailin

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 524eb555b0473bd93401297c5deba77f4dbd83fe Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Fri, 22 Nov 2024 15:01:41 + Subject: [PATCH 1/6] [TySan] A Type Sanitizer (Runtime Library) --- clang/runtime/CM

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 524eb555b0473bd93401297c5deba77f4dbd83fe Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Fri, 22 Nov 2024 15:01:41 + Subject: [PATCH 1/5] [TySan] A Type Sanitizer (Runtime Library) --- clang/runtime/CM

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 524eb555b0473bd93401297c5deba77f4dbd83fe Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Fri, 22 Nov 2024 15:01:41 + Subject: [PATCH 1/4] [TySan] A Type Sanitizer (Runtime Library) --- clang/runtime/CM

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

fhahn wrote: The Clang and LLVM parts are now ready to land, with just the compiler-rt bits pending approval. There are a few test failures on Linux which don't fail on macOS, will look at them today probably https://github.com/llvm/llvm-project/pull/76261

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -0,0 +1,79 @@ +//===-- tysan.h -*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apa

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 524eb555b0473bd93401297c5deba77f4dbd83fe Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Fri, 22 Nov 2024 15:01:41 + Subject: [PATCH 1/2] [TySan] A Type Sanitizer (Runtime Library) --- clang/runtime/CM

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From be6f7598cc936c5d7fff722fdee50bd254a64396 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/7] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [clang] [llvm] [TySan] A Type Sanitizer (Clang) (PR #76260)

@@ -1441,8 +1441,10 @@ collectSanitizerRuntimes(const ToolChain &TC, const ArgList &Args, if (SanArgs.needsScudoRt()) { SharedRuntimes.push_back("scudo_standalone"); } -if (SanArgs.needsTsanRt()) +if (SanArgs.needsTsanRt() && SanArgs.linkRuntimes()) -

[llvm-branch-commits] [clang] [llvm] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/76260 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [llvm] [TySan] A Type Sanitizer (Clang) (PR #76260)

@@ -1441,8 +1441,10 @@ collectSanitizerRuntimes(const ToolChain &TC, const ArgList &Args, if (SanArgs.needsScudoRt()) { SharedRuntimes.push_back("scudo_standalone"); } -if (SanArgs.needsTsanRt()) +if (SanArgs.needsTsanRt() && SanArgs.linkRuntimes())

[llvm-branch-commits] [clang] [llvm] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn commented: > LGTM with comments addressed. (I haven't looked carefully at the non-clang > parts; this is just approval for the clang changes.) Thanks! Any chance you would be able to help with the review of the LLVM side as well? https://github.com/llvm/llvm-project/p

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

@@ -5740,7 +5740,8 @@ void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D, if (NeedsGlobalCtor || NeedsGlobalDtor) EmitCXXGlobalVarDeclInitFunc(D, GV, NeedsGlobalCtor); - SanitizerMD->reportGlobal(GV, *D, NeedsGlobalCtor); + SanitizerMD->reportGlobalToASan(GV

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From ab8d005600b99fb62d991bc63c58136576429385 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/5] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn commented: Thanks, as this depends on LLVM & compiler-rt patches, so it should only be merged once those other PRs are also approved. Motivation for the sanitizer is enabling `-fpointer-tbaa` by default (https://github.com/llvm/llvm-project/pull/117244) https://github

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

@@ -1027,6 +1027,10 @@ Sanitizers `_. See that link for examples. +- Introduced an experimental Type Sanitizer, activated by using the + -fsanitize=type flag. This sanitizer detects violations of C/C++ type-based

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/76260 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

@@ -102,6 +102,7 @@ FEATURE(numerical_stability_sanitizer, LangOpts.Sanitize.has(SanitizerKind::Nume FEATURE(memory_sanitizer, LangOpts.Sanitize.hasOneOf(SanitizerKind::Memory | SanitizerKind::KernelMemory)) +FEATURE(type_sanitizer, L

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

@@ -6630,7 +6631,8 @@ CodeGenModule::GetAddrOfConstantStringFromLiteral(const StringLiteral *S, if (Entry) *Entry = GV; - SanitizerMD->reportGlobal(GV, S->getStrTokenLoc(0), ""); + SanitizerMD->reportGlobalToASan(GV, S->getStrTokenLoc(0), ""); + // FIXME: Should we a

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From ab8d005600b99fb62d991bc63c58136576429385 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/4] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

fhahn wrote: The latest version also includes a new test case `compiler-rt/test/tysan/constexpr-subobject.cpp` which had a false positive (IIUC the code should have no strict aliasing violation) + a fix https://github.com/llvm/llvm-project/pull/76261 ___

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 8e6e62d0dee48a696afd0c7d53d74eaccef97b5e Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Fri, 22 Nov 2024 15:01:41 + Subject: [PATCH] [TySan] A Type Sanitizer (Runtime Library) --- clang/runtime/CMakeL

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

fhahn wrote: > The clang changes are ok, but this needs some level of documentation/release > notes, which I don't see in the clang release. As this is a part of a larger > feature, do we intend to push that later? > > Also, the clang-format suggestion makes sense. Sorry for the long delay! A

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From ab8d005600b99fb62d991bc63c58136576429385 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/3] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From ab8d005600b99fb62d991bc63c58136576429385 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/2] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [compiler-rt] [TySan] Fix struct access with different bases (PR #108385)

fhahn wrote: Thanks for putting up the patch! I just rebased the patches, hopefully we can get them in soon so it is easier to submit bug-fixes iteratively. I noticed that with this patch, I am seeing segfaults when running `llvm-min-tblgen` when built with `-fsanitize=type`, but I wasn't ab

[llvm-branch-commits] [llvm] release/19.x: [ConstraintElim] Bail out on non-dedicated exits when adding exiting conditions (#116627) (PR #117137)

https://github.com/fhahn approved this pull request. LGTM to cherry pick, thanks! https://github.com/llvm/llvm-project/pull/117137 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/l

[llvm-branch-commits] [llvm] [SCEV] Add option to request use-specific SCEV for a GEP expr (WIP). (PR #91964)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/91964 >From fc6e2c85ff5dfdbae304cf05368d139096a6bd1f Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Sun, 12 May 2024 09:57:54 +0100 Subject: [PATCH] [SCEV] Add option to request use-specific SCEV for a GEP expr (WIP).

[llvm-branch-commits] [llvm] release/19.x: [IndVars] Check if WideInc available before trying to use it (PR #106892)

https://github.com/fhahn approved this pull request. LGTM looks like a safe cherry-pick https://github.com/llvm/llvm-project/pull/106892 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/list

[llvm-branch-commits] [llvm] [InstCombine] Don't look at ConstantData users (PR #103302)

https://github.com/fhahn approved this pull request. LGTM, thanks for the fix https://github.com/llvm/llvm-project/pull/103302 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-

[llvm-branch-commits] [llvm] [LAA] Refine stride checks for SCEVs during dependence analysis. (#99… (PR #102201)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/102201 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Refine stride checks for SCEVs during dependence analysis. (#99… (PR #102201)

https://github.com/fhahn milestoned https://github.com/llvm/llvm-project/pull/102201 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Refine stride checks for SCEVs during dependence analysis. (#99… (PR #102201)

https://github.com/fhahn created https://github.com/llvm/llvm-project/pull/102201 …577) Update getDependenceDistanceStrideAndSize to reason about different combinations of strides directly and explicitly. Update getPtrStride to return 0 for invariant pointers. Then proceed by checking the st

[llvm-branch-commits] [llvm] [LV] Disable VPlan-based cost model for 19.x release. (PR #100097)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/100097 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LV] Disable VPlan-based cost model for 19.x release. (PR #100097)

https://github.com/fhahn created https://github.com/llvm/llvm-project/pull/100097 As discussed in https://github.com/llvm/llvm-project/pull/92555 flip the default for the option added in https://github.com/llvm/llvm-project/pull/99536 to true. This restores the original behavior for the relea

[llvm-branch-commits] [llvm] [LV] Disable VPlan-based cost model for 19.x release. (PR #100097)

https://github.com/fhahn milestoned https://github.com/llvm/llvm-project/pull/100097 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76261 >From 733b3ed3f7441453889157834e0a5b6c288bf976 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 27 Jun 2024 15:48:05 +0100 Subject: [PATCH] [tysan] Add runtime support --- clang/runtime/CMakeLists.txt

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From f45d4dc65537f3664472c873062fbda2a9bed984 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/2] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [compiler-rt] [TySan] Fixed false positive when accessing offset member variables (PR #95387)

@@ -221,7 +221,17 @@ __tysan_check(void *addr, int size, tysan_type_descriptor *td, int flags) { OldTDPtr -= i; OldTD = *OldTDPtr; -if (!isAliasingLegal(td, OldTD)) +tysan_type_descriptor *InternalMember = OldTD; fhahn wrote: Could you add a

[llvm-branch-commits] [llvm] [LAA] Use SCEVUse to add extra NUW flags to pointer bounds. (WIP) (PR #91962)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/91962 >From 9a8305b0041586627b3c3c8a1dc954306767cadc Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Wed, 1 May 2024 11:03:42 +0100 Subject: [PATCH 1/3] [SCEV,LAA] Add tests to make sure scoped SCEVs don't impact other

[llvm-branch-commits] [llvm] [LAA] Use PSE::getSymbolicMaxBackedgeTakenCount. (PR #93499)

https://github.com/fhahn reopened https://github.com/llvm/llvm-project/pull/93499 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Use PSE::getSymbolicMaxBackedgeTakenCount. (PR #93499)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/93499 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Use PSE::getSymbolicMaxBackedgeTakenCount. (PR #93499)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/93499 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Use PSE::getSymbolicMaxBackedgeTakenCount. (PR #93499)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/93499 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Use getBackedgeTakenCountForCountableExits. (PR #93499)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/93499 >From 1ce660b45d3706912705bc9e7a8c19e86f05d0c0 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Wed, 8 May 2024 20:47:29 +0100 Subject: [PATCH] [LAA] Use getBackedgeTakenCountForCountableExits. Update LAA to use g

[llvm-branch-commits] [llvm] [LAA] Use getBackedgeTakenCountForCountableExits. (PR #93499)

https://github.com/fhahn created https://github.com/llvm/llvm-project/pull/93499 Update LAA to use getBackedgeTakenCountForCountableExits which returns the minimum of the countable exits When analyzing dependences and computing runtime checks, we need the smallest upper bound on the number of it

[llvm-branch-commits] [llvm] [LAA] Use SCEVUse to add extra NUW flags to pointer bounds. (WIP) (PR #91962)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/91962 >From ab0311667695fb255625cc846e02373800fad8b1 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Wed, 1 May 2024 11:03:42 +0100 Subject: [PATCH 1/3] [SCEV,LAA] Add tests to make sure scoped SCEVs don't impact other

[llvm-branch-commits] [llvm] release/18.x: [LV, LAA] Don't vectorize loops with load and store to invar address. (PR #91092)

fhahn wrote: SGTM https://github.com/llvm/llvm-project/pull/91092 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [SCEV] Add option to request use-specific SCEV for a GEP expr (WIP). (PR #91964)

https://github.com/fhahn created https://github.com/llvm/llvm-project/pull/91964 Use SCEVUse from https://github.com/llvm/llvm-project/pull/91961 to return a SCEVUse with use-specific no-wrap flags for GEP expr, when demanded. Clients need to opt-in, as the use-specific flags may not be valid i

[llvm-branch-commits] [llvm] [LAA] Use SCEVUse to add extra NUW flags to pointer bounds. (WIP) (PR #91962)

https://github.com/fhahn created https://github.com/llvm/llvm-project/pull/91962 Use SCEVUse to add a NUW flag to the upper bound of an accessed pointer. We must already have proved that the pointers do not wrap, as otherwise we could not use them for runtime check computations. By adding the us

[llvm-branch-commits] [llvm] release/18.x: [LV, LAA] Don't vectorize loops with load and store to invar address. (PR #91092)

https://github.com/fhahn approved this pull request. LG to be back-ported if desired. It fixes an mis-compile but I am not aware of any end-to-end reports. I am not sure what the criteria for cherry-picks on the release branch are at this point in the release https://github.com/llvm/llvm-proje

[llvm-branch-commits] [llvm] release/18.x: [FunctionAttrs] Fix incorrect nonnull inference for non-inbounds GEP (#91180) (PR #91286)

https://github.com/fhahn approved this pull request. Should be safe to back port, LGTM, thanks! https://github.com/llvm/llvm-project/pull/91286 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailm

[llvm-branch-commits] [llvm][NFC] Document cl::opt variable and fix typo (PR #90670)

https://github.com/fhahn approved this pull request. LGTM, thanks! For the title, it might be clearer to explicitly mention the variable this is documenting, commit title size permitting https://github.com/llvm/llvm-project/pull/90670 ___ llvm-branch

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

fhahn wrote: Added compiler-rt tests for various strict-aliasing violations from the bug tracker I found. https://github.com/llvm/llvm-project/pull/76261 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cg

[llvm-branch-commits] [llvm] [LAA] Support different strides & non constant dep distances using SCEV. (PR #88039)

https://github.com/fhahn reopened https://github.com/llvm/llvm-project/pull/88039 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Support different strides & non constant dep distances using SCEV. (PR #88039)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/88039 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [LAA] Support different strides & non constant dep distances using SCEV. (PR #88039)

fhahn wrote: > > > I would enjoy more textual description of what every condition is meant > > > to check. > > > > > > There are multiple places that hand off reasoning to called functions, > > would you like to have a summary of what the function checks there? Could > > do as separate patch

[llvm-branch-commits] [llvm] [LAA] Support different strides & non constant dep distances using SCEV. (PR #88039)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/88039 >From 110e5ea24d4b23a153b5f602460b81e5228c700f Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 4 Apr 2024 12:36:27 +0100 Subject: [PATCH 1/5] [LAA] Support different strides & non constant dep distances usin

[llvm-branch-commits] [llvm] [LAA] Support different strides & non constant dep distances using SCEV. (PR #88039)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/88039 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

@@ -720,7 +726,7 @@ if(COMPILER_RT_SUPPORTED_ARCH) endif() message(STATUS "Compiler-RT supported architectures: ${COMPILER_RT_SUPPORTED_ARCH}") -set(ALL_SANITIZERS asan;dfsan;msan;hwasan;tsan;safestack;cfi;scudo_standalone;ubsan_minimal;gwp_asan;asan_abi) +set(ALL_SANITIZERS

[llvm-branch-commits] [clang] [compiler-rt] [llvm] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/76261 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From 96912aec51f6752d211d8bd091eaad6426037050 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/2] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 >From 96912aec51f6752d211d8bd091eaad6426037050 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 Apr 2024 23:01:03 +0100 Subject: [PATCH 1/2] [TySan] A Type Sanitizer (Clang) --- clang/include/clang/Basic/

[llvm-branch-commits] [clang] [flang] [libc] [libcxx] [llvm] [mlir] [openmp] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn updated https://github.com/llvm/llvm-project/pull/76260 error: too big or took too long to generate ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bra

[llvm-branch-commits] [clang] [TySan] A Type Sanitizer (Clang) (PR #76260)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/76260 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [CIR][Basic][NFC] Add the CIR language to the Language enum (PR #86072)

fhahn wrote: Could you remove the commit-id line from the commit message, as it doesn’t seem relevant? https://github.com/llvm/llvm-project/pull/86072 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-b

[llvm-branch-commits] [llvm] release/18.x: [ARM] Update IsRestored for LR based on all returns (#82745) (PR #83129)

https://github.com/fhahn approved this pull request. LGTM, would be good to back-port. https://github.com/llvm/llvm-project/pull/83129 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listin

[llvm-branch-commits] [llvm] release/18.x: [DSE] Delay deleting non-memory-defs until end of DSE. (#83411) (PR #84227)

https://github.com/fhahn approved this pull request. LGTM, thanks! https://github.com/llvm/llvm-project/pull/84227 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commi

[llvm-branch-commits] [llvm] [SLP] Initial vectorization of non-power-of-2 ops. (PR #77790)

https://github.com/fhahn reopened https://github.com/llvm/llvm-project/pull/77790 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [SLP] Initial vectorization of non-power-of-2 ops. (PR #77790)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/77790 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [SLP] Collect candidate VFs in vector in vectorizeStores (NFC). (PR #82793)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/82793 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [VPlan] Explicitly handle scalar pointer inductions. (PR #80273)

fhahn wrote: @ayalz unfortunately I don't know how to update the target branch to `llvm:main`, so I went ahead and opened a new PR that's update on top of current `main`: https://github.com/llvm/llvm-project/pull/83068 Comments should be addressed, sorry for the inconvenience. https://github.

[llvm-branch-commits] [llvm] [VPlan] Explicitly handle scalar pointer inductions. (PR #80273)

https://github.com/fhahn closed https://github.com/llvm/llvm-project/pull/80273 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [SLP] Initial vectorization of non-power-of-2 ops. (PR #77790)

https://github.com/fhahn edited https://github.com/llvm/llvm-project/pull/77790 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

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